CN205299075U - Sulfur hexafluoride gas cylinder intelligence heating system - Google Patents
Sulfur hexafluoride gas cylinder intelligence heating system Download PDFInfo
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- CN205299075U CN205299075U CN201620030624.2U CN201620030624U CN205299075U CN 205299075 U CN205299075 U CN 205299075U CN 201620030624 U CN201620030624 U CN 201620030624U CN 205299075 U CN205299075 U CN 205299075U
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Abstract
Sulfur hexafluoride gas cylinder intelligence heating system for solve the low problem that results in the gas pressure reduction of sulfur hexafluoride gas cylinder yin wendu in winter. It includes solenoid, power module, control system and temperature sensor, and solenoid sets up in the outside of sulfur hexafluoride gas cylinder, and solenoid is connected with the power module electricity, and solenoid is connected with the control system electricity, and control system controls solenoid's power module 2, control system and power module power module 5, be equipped with temperature sensor in the outside of gas cylinder, temperature sensor and control system signal are connected, control system mainly includes main control unit, keyboard and display and buzzer, keyboard and display and main control unit signal connection, buzzer and main control unit signal connection, when the temperature that arrives as temperature sensor determine exceeded the setting value, the buzzer sent alarm signal. This system adopts electromagnetic heating's mode, heats heating efficiency height, convenient operation to the gas cylinder.
Description
Technical field
The utility model relates to sulfur hexafluoride gas cylinder technical field, specifically a kind of sulfur hexafluoride gas cylinderIntelligent heating system.
Background technology
Along with the extensive use of GIS combined electric appliance equipment in intelligent substation, the reliability of GIS equipment alsoThe ever more important becoming. GIS equipment externally good insulating properties are keys of improving GIS equipment dependability because ofElement, the SF6 insulating gas that is filled with certain pressure by past GIS inside is in order to improve the insulating properties of equipment.
SF6 (sulfur hexafluoride) insulating gas is mostly to be passed through specially by the larger SF6 gas cylinder of internal pressureIn GIS equipment, inject with pipeline. Only having SF6 gas cylinder internal gas pressure to be greater than GIS device interior pressesWhen power, could inject insulating gas, the speed of the larger injection of pressure differential is faster. But encounter construction in the winter timeTime, because temperature is larger on the impact of gas pressure, gas cylinder temperature is too low, gas cylinder internal pressureReduce, thereby the speed that causes past GIS device interior to inject insulating gas is slack-off, even note is not entered.For improving SF6 gas cylinder internal pressure under cold environment, traditional method is to utilize heat exchange pattern, by rightThe heating of gas cylinder outer wall improves gas cylinder internal pressure. This heat conducting mode has heat waste in heating processLose the shortcomings such as large, heat conduction efficiency is low, and the heater life-span is short, fragile. Heat exchange pattern heating toolHave inertia phenomena, firing rate is very slow, and it is also very slow that heating finishes rear temperature reduction, is unfavorable forIncrease work efficiency. Because heat conduction mode of heating heating-up temperature is low, thereby cause in SF6 gas cylinder remainingSF6 gas many, this has just caused the great wasting of resources, has virtually increased construction cost.Utilize heat conducting mode also to require contact closely, must be by heater with closely knit being attached to of gas cylinder outer wallTogether, whole gas cylinder need be wrapped up, so just cause the volume ratio of heater larger, very stupidHeavy, it is very inconvenient to use.
Therefore, how convenient, fast, give SF6 gas cylinder heating in order to improve the inflation of GIS equipment efficientlyEfficiency becomes the problem that everybody competitively studies. For a kind of New type of S F6 gas bottle heating device and heating meansProposition also become problem demanding prompt solution.
Utility model content
The purpose of this utility model is to provide a kind of sulfur hexafluoride gas cylinder Intelligent heating system, for solvingThe low problem that causes gas pressure to reduce of sulfur hexafluoride gas cylinder Yin Wendu in winter.
The technical scheme in the invention for solving the technical problem is: sulfur hexafluoride gas cylinder intelligence addsHot system, is characterized in that, it comprises solenoid, power module, control system and temperature sensor,Described solenoid is arranged on the outside of sulfur hexafluoride gas cylinder, and described solenoid is electrically connected with power module,Described solenoid is electrically connected with control system, the duty of described control system control solenoid,Described control system is connected with power module signal, and power module is control system and solenoid energy supply;Outside at described gas cylinder is provided with temperature sensor, and described temperature sensor is connected with control system signal,When the temperature signal detecting when described temperature sensor exceeds setting value, control system is sent signal controllingThe duty of solenoid; Described control system mainly comprises master controller, keyboard and display and honeybeeRing device, described keyboard and display are connected with master controller signal, described buzzer and master controller signalConnect, when the temperature detecting when temperature sensor exceedes setting value, buzzer sends alarm signal.
Further, described solenoid adopts high temperature-resistant cable to be entwined.
Further, described solenoid adopts copper cash to be entwined.
Further, described power module comprises overcurrent protection, overvoltage protection and MCU controller, described inOvercurrent protection is arranged on the output of power module, and described overvoltage protection is arranged on the input of power module.
Further, described power module also comprises current rectifying and wave filtering circuit and PWM inverter.
Further, described control system also comprises current detection module, voltage detection module, temperature controlMolding piece and power control module.
The beneficial effects of the utility model are: the heating system that the utility model provides, and for the existing hot charging that addsPut the problems such as the efficiency of heating surface is low, thermal losses is large, service life is short, adopted novel mentality of designing,Can realize SF6 gas cylinder fast, reliably heating, improve charging efficiency. For existing mode of heating firstBy the shortcoming that then heater heating itself heats by heat exchange pattern and heat conduction efficiency is low, thisUtility model adopts the thinking of more optimizing, and not only can improve the efficiency of heating surface and can also improve making of firing equipmentUse the life-span. The heat conducting mode of heating of the utility model abandoning tradition, adopts the higher Electromagnetic Heating of efficiencyMode. Adopt Electromagnetic Heating mode, utilize the eddy current effect of electromagnetic component that SF6 gas cylinder body is become and send outThermal source, institute's caloric value does not need to be directly added on gas cylinder body through overheated conduction like this, and thermal losses is minimum,Programming rate is also very fast, has greatly improved SF6 inflating gas cylinder efficiency. Because the position that produces heat isGas cylinder body, electromagnetic heater (being mainly made up of solenoid) itself does not generate heat, and therefore electromagnetism addsCan greatly extend the service life that hot charging is put. Use electromagnetic heater can realize accurate temperature control, due toItself does not generate heat coil, thermal resistance stagnant little, thermal inertia is low, gas cylinder inside and outside wall temperature is consistent, temperature sensorCollection signal is accurate, and temperature can realize accurate control. Compare the heating of heat exchange pattern in the past, adopting shouldAfter heating system, can become convenient, fast, efficient to the heating of SF6 gas cylinder, improved to GIS and establishedThe operating efficiency of remarks gas has extended again the service life of equipment, has saved cost, has very large popularizationUsing value.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the schematic diagram of power module;
Fig. 3 is the principle schematic of control system;
Detailed description of the invention
As shown in Figure 1 to Figure 3, the utility model mainly comprises power module, solenoid, control systemAnd temperature sensor, below in conjunction with accompanying drawing, the utility model is described in detail.
Solenoid is enclosed within the outside of sulfur hexafluoride gas cylinder, and solenoid is electrically connected with power module, power supply mouldPiece is solenoid energy supply; Control system is electrically connected with solenoid, control system control solenoidDuty; Control system is electrically connected with power module, and power module is control system energy supply. At hexafluoroThe periphery of changing sulphur gas cylinder is provided with temperature sensor, and temperature sensor can be measured the temperature of sulfur hexafluoride gas cylinderDegree, temperature sensor is connected with control system signal, and temperature sensor is sent to the temperature signal recordingControl system, control system, according to the temperature signal obtaining, is made corresponding control to solenoid.
Solenoid: coil adopts high temperature-resistant cable to be entwined, is placed with certain again between coil and gas cylinderThe heat-barrier material of thickness, guarantees that solenoid is not damaged, and the specification of high temperature-resistant cable is according to heating systemModel and power arrangement. Utilize solenoid to be heated to be prior art, high temperature-resistant cable can be selectedCopper cash.
Power module: power module is very important part in whole heating system, and power module is taken from generalLogical 220V or 380V alternating current, as shown in Figure 2, convert alternating current directly to by current rectifying and wave filtering circuitStream electricity, and then change high-frequency alternating current into for whole heating system by PWM inverter;And overvoltage protection, overcurrent protection and MCU (single-chip microcomputer) controller is equipped with, so that power module self is risenTo protective effect.
Control system: control system is the core of whole heating system, control system determines power moduleThe frequency of output voltage, control system can accurately be set heating-up temperature, and is equipped with anti-overflow, anti-heightThe protections such as temperature; Control system comprise master controller, current detection module, power control module, buzzer,Voltage detection module, temperature control modules and keyboard and display, current detection module is for detection of electric currentPower, voltage detection module is for detection of the size of voltage. When power control module heats for controllingPower, temperature control modules is used for controlling heating-up temperature. The setting of keyboard and display, for facilitating numberAccording to input and the demonstration of data. The setting of buzzer, is convenient to remind operator, when temperature index exceedesWhen setting value, the action of main controller controls buzzer, sends sound prompting.
Temperature sensor: in order to prevent that in heating process, excess Temperature causes the damage of solenoid or gas cylinder to be pressedPower is excessive, presses close to the local set temperature sensor of gas cylinder in thermal insulation layer, and temperature sensor is believed temperatureNumber be transferred in the middle of control system, in the time that the temperature detecting exceeds setting value, give a warning, control systemJust cut off the electricity supply.
After adopting Electromagnetic Heating mode, the heating work meeting of SF6 gas cylinder becomes efficient, energy-conservation, Ji NengtiThe utilization rate of high SF6 gas has reduced again energy loss. Secondly, Electromagnetic Heating mode running and comparing is reliable,The speed heating up and lower the temperature is all very fast. Finally, Electromagnetic Heating mode can conveniently realize the many of intelligenceWarm area control, can arrange multiple temperature gears to meet the demand for heat at varying environment temperature. Power supplyThe major function of module is exactly that conventional 220V or 380V alternating current are first rectified into direct current, and thenExport the alternating current of certain amplitude high band through inverter circuit. Input at power module was equipped withPress protection, prevent the too high device damage that causes of input voltage, be provided with overcurrent protection at output, preventedElectric current burns out equipment. Carry out the input of data by the keyboard of control system, so that the temperature of heating to be set,Display can show gas cylinder temperature in real time, and convenient construction personnel observe maintenance. When gas cylinder body temperature mistakeGao Shi, master controller can send instruction to buzzer in the time collecting high temperature signal, reports to the police logical by buzzingKnow that workmen comes to process, simultaneous temperature exceeds after alarming value, and master controller sends instruction and cuts off wholePower circuit, guarantees that the safety of heating work is carried out.
The heating system that the utility model provides,, thermal losses low for the existing heater efficiency of heating surface be large,The problems such as service life is short, have adopted novel mentality of designing, can realize SF6 gas cylinder fast, canBy heating, improve charging efficiency. First then passed through by the heating of heater own for existing mode of heatingHeat exchange pattern heating and the low shortcoming of heat conduction efficiency, the utility model adopts the thinking of more optimizing,Not only can improve the service life that the efficiency of heating surface can also improve firing equipment. The utility model abandoning traditionHeat conducting mode of heating, adopts the higher Electromagnetic Heating mode of efficiency. Adopt Electromagnetic Heating mode, profitMake SF6 gas cylinder body become pyrotoxin by the eddy current effect of electromagnetic component, like this institute's caloric value do not need throughOverheated conduction is directly added on gas cylinder body, and thermal losses is minimum, and programming rate is also very fast, greatly carriesHigh SF6 inflating gas cylinder efficiency. Because the position that produces heat is gas cylinder body, electromagnetic heater is (mainTo be formed by solenoid) itself do not generate heat, therefore can greatly extend the service life of electromagnetic heater.Use electromagnetic heater can realize accurate temperature control, because coil itself does not generate heat, thermal resistance is stagnant little, hotInertia is low, and gas cylinder inside and outside wall temperature is consistent, and temperature sensor collection signal is accurate, and temperature can realize accuratelyControl. Compare the heating of heat exchange pattern in the past, adopt after this heating system, give SF6 gas cylinder heating meetingBecome convenient, fast, efficient, improved and extended again equipment to the operating efficiency of GIS equipment gas injectionService life, saved cost, there is very large application value.
Claims (6)
1. sulfur hexafluoride gas cylinder Intelligent heating system, is characterized in that, it comprise solenoid, power module,Control system and temperature sensor, described solenoid is arranged on the outside of sulfur hexafluoride gas cylinder, described electricityMagnetic coil is electrically connected with power module, and described solenoid is electrically connected with control system, described control systemThe duty of controlling solenoid, described control system is connected with power module signal, and power module isControl system and solenoid energy supply; Outside at described gas cylinder is provided with temperature sensor, and described temperature passesSensor is connected with control system signal, and the temperature signal detecting when described temperature sensor exceeds setting valueTime, control system is sent the duty of signal controlling solenoid; Described control system mainly comprises masterController, keyboard and display and buzzer, described keyboard and display are connected with master controller signal,Described buzzer is connected with master controller signal, when the temperature detecting when temperature sensor exceedes setting value,Buzzer sends alarm signal.
2. sulfur hexafluoride gas cylinder Intelligent heating system according to claim 1, is characterized in that, described inSolenoid adopts high temperature-resistant cable to be entwined.
3. sulfur hexafluoride gas cylinder Intelligent heating system according to claim 1, is characterized in that, described inSolenoid adopts copper cash to be entwined.
4. sulfur hexafluoride gas cylinder Intelligent heating system according to claim 1, is characterized in that, described inPower module comprises overcurrent protection, overvoltage protection and MCU controller, and described overcurrent protection is arranged on power supplyThe output of module, described overvoltage protection is arranged on the input of power module.
5. sulfur hexafluoride gas cylinder Intelligent heating system according to claim 1, is characterized in that, described inPower module also comprises current rectifying and wave filtering circuit and PWM inverter.
6. sulfur hexafluoride gas cylinder Intelligent heating system according to claim 1, is characterized in that, described inControl system also comprises current detection module, voltage detection module, temperature control modules and power control mouldPiece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620030624.2U CN205299075U (en) | 2016-01-13 | 2016-01-13 | Sulfur hexafluoride gas cylinder intelligence heating system |
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| CN201620030624.2U CN205299075U (en) | 2016-01-13 | 2016-01-13 | Sulfur hexafluoride gas cylinder intelligence heating system |
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| CN205299075U true CN205299075U (en) | 2016-06-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255220A (en) * | 2017-05-10 | 2017-10-17 | 浙江电力建设监理有限公司 | A kind of extremely frigid zones ultra-high voltage converter station SF6 is even filled and put and method for heating and controlling |
| CN108302321A (en) * | 2017-12-22 | 2018-07-20 | 国网山东省电力公司滨州供电公司 | A kind of sulfur hexafluoride gas-filling device |
| CN111306436A (en) * | 2020-01-20 | 2020-06-19 | 上海正帆科技股份有限公司 | Steel cylinder heating system, method and device, computer equipment and storage medium |
| CN114838290A (en) * | 2022-05-11 | 2022-08-02 | 常州蓝翼飞机装备制造有限公司 | LNG gas cylinder internal heating method |
-
2016
- 2016-01-13 CN CN201620030624.2U patent/CN205299075U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255220A (en) * | 2017-05-10 | 2017-10-17 | 浙江电力建设监理有限公司 | A kind of extremely frigid zones ultra-high voltage converter station SF6 is even filled and put and method for heating and controlling |
| CN108302321A (en) * | 2017-12-22 | 2018-07-20 | 国网山东省电力公司滨州供电公司 | A kind of sulfur hexafluoride gas-filling device |
| CN111306436A (en) * | 2020-01-20 | 2020-06-19 | 上海正帆科技股份有限公司 | Steel cylinder heating system, method and device, computer equipment and storage medium |
| CN114838290A (en) * | 2022-05-11 | 2022-08-02 | 常州蓝翼飞机装备制造有限公司 | LNG gas cylinder internal heating method |
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